The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 2005
Filed:
Dec. 12, 2001
Applicants:
Yit Lin Chew, Singapore, SG;
Suat Hong Goh, Singapore, SG;
Xu Zhou, Singapore, SG;
Inventors:
Assignee:
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K005/3435 ; C08K005/3432 ; C08G018/48 ; C08G018/32 ; C08G018/79 ;
U.S. Cl.
CPC ...
Abstract
A two-component polyurethane sealant composition is described. The polyurethane sealant of the invention exhibits improved resistance to degradation by heat and hot water. The composition of the invention includes a novel hindered amine antioxidant.